4X3/16 Round Head Type U Drive Screw 316 Stainless Steel (Pack Qty 10,000) BC-0403U316

For making permanent fastenings in metals and plastics, when forced into the work under pressure Steel: AISI 1016 - 1024 or equivalent steel: Drive screws shall produce mating threads without shearing of threads or fracture of the screw when driven into properly sized holes in test plates having a Rockwell hardness of B70 to B85 18-8 Stainless Steel: Not recommended for use in materials of a hardness greater than Rockwell B 65You may also like 5/16-18X5/8 Phillips Truss Full Contour Machine Screw Fully Threaded Zinc (Pack Qty 1,750) BC-3110MPT.